Microsoft Word C050437e doc Reference number ISO 702 1 2009(E) © ISO 2009 INTERNATIONAL STANDARD ISO 702 1 Third edition 2009 07 15 Machine tools — Connecting dimensions of spindle noses and work hold[.]
Trang 1INTERNATIONAL STANDARD
ISO 702-1
Third edition 2009-07-15
Machine tools — Connecting dimensions
of spindle noses and work holding chucks —
Part 1:
Conical connection
Machines-outils — Dimensions d'assemblage des nez de broche et des mandrins porte-pièces —
Partie 1: Assemblage conique
Trang 2ISO 702-1:2009(E)
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Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies) The work of preparing International Standards is normally carried out through ISO technical committees Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2
The main task of technical committees is to prepare International Standards Draft International Standards adopted by the technical committees are circulated to the member bodies for voting Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights ISO shall not be held responsible for identifying any or all such patent rights
ISO 702-1 was prepared by Technical Committee ISO/TC 39, Machine tools, Subcommittee SC 8, Work
holding spindles and chucks
This third edition cancels and replaces the second edition (ISO 702-1:2001), Tables 1 and 2 and Figures 1 and 2 of which have been technically revised
ISO 702 consists of the following parts, under the general title Machine tools — Connecting dimensions of
spindle noses and work holding chucks:
⎯ Part 1: Conical connection
⎯ Part 2: Camlock type
⎯ Part 3: Bayonet type
⎯ Part 4: Cylindrical connection
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Trang 5INTERNATIONAL STANDARD ISO 702-1:2009(E)
Machine tools — Connecting dimensions of spindle noses and work holding chucks —
Part 1:
Conical connection
1 Scope
This part of ISO 702 specifies the sizes for interchangeability of conical spindle noses and corresponding connecting faces of face plates or work holding chucks
NOTE The “camlock type”, “bayonet type” and “cylindrical connection” are specified in ISO 702-2, ISO 702-3 and ISO 702-4, respectively
2 Interchangeability
In this part of ISO 702, all dimensions and tolerances are expressed in millimetres
Although there are differences in the values of dimensions and assembly screws in metric and inch series, the connecting dimensions in Tables 1 and 2 allow for interchangeability between metric- and inch-based chucks (see also footnote “a” in Table 2)
3 Sizes for interchangeability
3.1 Spindle noses
See Figure 1 and Table 1
⎯ Type A1: Two bolt circles of diameter d2 and d3;
⎯ Type A2: One outer bolt circle of diameter d3 (Type A2 for Nos 3 and 4; types A1 and A2 for Nos 5 to 28)
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Figure 1 (continued)
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Key
1 size No 3
2 size No 4
3 size Nos 5 to 11
4 size Nos 15 to 28
Figure 1 — Spindle noses
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Table 1 — Dimensions of spindle noses
No
Dimension
d1
0
+
−
d6
l1
(Type A1)
0 0,025
l1
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3.2 Connecting face dimensions
See Figure 2 and Table 2
a) With inner bolt circle (for mounting on spindle nose A1 by means of its inner bolt circle)
b) With outer bolt circle (for mounting on spindle nose A1, or spindle nose A2 by means of its outer bolt circle) Figure 2 — Connecting face dimensions
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Table 2 — Connecting face dimensions
No
Dimension
tol
Type 1 a
0,003 0,005
+
− tol
Type 2 a
0,008 0
0
0
0
0
0
0
0
0 +
l1
(Type A1)
0,025 0
l1min.
tightened on the inner bolt circle.
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ICS 25.060.20
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